CN208175047U - A kind of linear constant current LED filament lamp that twin voltage is compatible - Google Patents
A kind of linear constant current LED filament lamp that twin voltage is compatible Download PDFInfo
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- CN208175047U CN208175047U CN201820647231.5U CN201820647231U CN208175047U CN 208175047 U CN208175047 U CN 208175047U CN 201820647231 U CN201820647231 U CN 201820647231U CN 208175047 U CN208175047 U CN 208175047U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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Abstract
The utility model discloses a kind of compatible linear constant current LED filament lamps of twin voltage, including glass bulb, the lamp cap being connect with glass bulb, linear constant current driving power and LED illuminating circuit, LED illuminating circuit includes the first LED light module and the second LED light module, first LED light module and the second LED light module are respectively provided with positive input terminal and negative input end, and linear constant current driving power includes AC to DC converter circuit, voltage detecting circuit, electronic switching circuit and linearity constant current control circuit；Advantage is reduction of glass bulb gas leakage hidden danger, improves service life.
Description
Technical field
The utility model relates to a kind of linear constant current LED filament lamps, more particularly, to a kind of compatible linear perseverance of twin voltage
Flow LED filament lamp.
Background technique
LED filament lamp is since luminous efficiency height is more and more widely used, and not with its price trend
It is disconnected to reduce, have the tendency that substituting traditional LEDbulb lamp greatly.LED filament lamp is since its production technology is close to the production work of incandescent lamp
Skill, has the numerous users of incandescent lamp love knot in order to balance, and existing LED filament lamp has continued to use the glass bulb and lamp of incandescent lamp
Head.Currently, LED filament lamp mainly includes glass bulb, the lamp cap connecting with glass bulb, driving power and LED illuminating circuit,
LED illuminating circuit is mounted in glass bulb, and driving power is mounted in lamp cap.Since the inner space of lamp cap is limited, thus
The size needs of the driving power of LED filament lamp are sufficiently small, can be mounted directly on the inner space of lamp cap.
There are mainly two types of the driving powers of existing LED filament lamp, the first is Switching Power Supply constant-current driving power supply, and second
Kind is linear constant current driving power.Linear constant current driving power is driven since price is low and small in size relative to Switching Power Supply constant current
Dynamic power supply is more suitable the lesser LED filament lamp in lamp cap inner space.But linear constant current driving power has it intrinsic to lack
Point, be exactly it is smaller to the adaptation range of network voltage, to accomplish that the same LED filament lamp can almost differ one times of voltage
It is used in power grid, such as 120V and 220V, it is just relatively difficult.Currently, the compatible linear constant current LED filament lamp of twin voltage is linear
By four conducting wire connections between constant-current driving power supply and LED illuminating circuit, specific structure is as shown in Figure 1.The linear constant current drives
There are six ports for dynamic power supply tool：Firewire incoming end, zero curve incoming end, the first positive output end Out1+, the first negative output terminal Out1-,
Second positive output end Out2+ and the second negative output terminal Out2-, LED illuminating circuit include the first LED light module and the 2nd LED
Light emitting module, the first LED light module have positive input terminal V1+ and negative input end V1-；Second LED light module has just defeated
Enter to hold V2+ and negative input end V2-.First positive output end Out1+ of linear constant current driving power and the first LED light module are just
Input terminal V1+ connection, the negative input end of the first negative output terminal Out1- and the first LED light module of linear constant current driving power
V1- connection；Second positive output end Out2+ of linear constant current driving power and the positive input terminal V2+ of the second LED light module connect
It connects, the second negative output terminal Out2- of linear constant current driving power and the negative input end V2- connection of the second LED light module, linearly
The firewire incoming end AC-L of constant-current driving power supply connects the firewire of alternating current, and zero curve incoming end AC-N connects the zero curve of alternating current.
But the linear constant current LED filament lamp of above-mentioned twin voltage compatibility has the following problems：Since LED illuminating circuit is pacified
In closed glass bulb, the port of LED illuminating circuit could be with after needing to be drawn out of glass bulb with four conducting wires
Linear constant current driving power connection in lamp cap, and the heat transmission gas that the inside of glass bulb is lighter filled with density, need
Good sealed environment, using the manufacturing process of glass-dead seal, the number of conductors of extraction is more, more be easy to cause glass bulb
Gas leakage, once and gas leakage, the service life of LED illuminating circuit can be seriously affected.
Summary of the invention
The technical problem to be solved by the utility model is to provide double electricity that one kind can reduce glass bulb gas leakage hidden danger
Press compatible linear constant current LED filament lamp.
The utility model solves technical solution used by above-mentioned technical problem：A kind of linear constant current that twin voltage is compatible
LED filament lamp, including glass bulb, the lamp cap being connect with glass bulb, the linear constant current being arranged in lamp cap driving
Power supply and the LED illuminating circuit being arranged in the glass bulb, the LED illuminating circuit include the luminous mould of the first LED
Block and the second LED light module, first LED light module and second LED light module are respectively provided with just defeated
Enter end and negative input end, the linear constant current driving power includes AC to DC converter circuit, voltage detecting circuit, electronic switch
Circuit and linearity constant current control circuit, the AC to DC converter circuit have for access alternating current zero curve zero curve input terminal,
For accessing firewire input terminal, positive output end and the negative output terminal of alternating current firewire, the voltage detecting circuit has positive input
End, negative input end and output end, the electronic switching circuit have positive input terminal, negative input end and control terminal, the line
Property constant-current control circuit have positive input terminal, ground terminal, the first control terminal, the second control terminal, the first output end and second output
The positive input terminal of end, the positive output end of the AC to DC converter circuit and the voltage detecting circuit, the linear perseverance
The positive input terminal of flow control circuit, the positive input terminal of the electronic switching circuit and first LED light module are just
Input terminal connection, the negative output terminal of the AC to DC converter circuit, the negative input end of the voltage detecting circuit and described
Linearity constant current control circuit ground terminal connection, the output end of the voltage detecting circuit and the linear constant current control
First control terminal of circuit connects, and the voltage signal that will test is transferred to the linearity constant current control circuit, the line
Property constant-current control circuit the second control terminal connect with the control terminal of the electronic switching circuit, for controlling the electronics
The open and close of switching circuit, the first output end of the linearity constant current control circuit, the electronic switching circuit
The positive input terminal of negative input end, the negative input end of first LED light module and second LED light module connects
It connects, the second output terminal of the linearity constant current control circuit is connected with the negative input end of second LED light module.
The voltage detecting circuit includes first resistor and second resistance, and one end of the first resistor is described
The positive input terminal of voltage detecting circuit, the other end of the first resistor is connected with one end of the second resistance and it connects
The output end that end is the voltage detecting circuit is connect, the other end of the second resistance is the voltage detecting circuit
Negative input end.
The linearity constant current control circuit includes the first integrated chip, 3rd resistor and the 4th electricity of model SM2099
Resistance, the 1st foot of first integrated chip are the first control terminal of the linearity constant current control circuit, first collection
It is connected at one end of the 3rd foot of chip, the 3rd resistor with one end of the 4th resistance, the 4th resistance
The other end is connected with the 4th foot of first integrated chip, and the other end of the 3rd resistor and described first integrates
The bottom electrode of chip connects and its connecting pin is the ground terminal of the linearity constant current control circuit, the integrated core of described first
8th foot of piece is the positive input terminal of the linearity constant current control circuit, and the 7th foot of first integrated chip is described
Second control terminal of linearity constant current control circuit, the 6th foot of first integrated chip are that the linear constant current controls electricity
First output end on road, the 5th foot of first integrated chip are the second output terminal of the linearity constant current control circuit.
The electronic switching circuit includes the second integrated chip and first diode of model SM201, and described
1st foot of two integrated chips is the positive input terminal of the electronic switching circuit, and the 2nd foot of second integrated chip is institute
The control terminal for the electronic switching circuit stated, the 3rd foot of second integrated chip and the anode of the first diode connect
It connects, the cathode of the first diode is the negative input end of the electronic switching circuit.
Compared with prior art, the utility model has the advantage of pass through AC to DC converter circuit, voltage detecting circuit, electricity
Sub switch circuit and linearity constant current control circuit construct linear constant current driving power, voltage detecting circuit real-time detection alternating current electricity
Net voltage, when being detected as high voltage power grid in two power grids, voltage detecting circuit sends high voltage signal to linear constant current
Control circuit, linearity constant current control circuit control electronic switching circuit and disconnect, the first output end of linearity constant current control circuit
Exporting electric current is zero, the normality electricity when output electric current of the second output terminal of linearity constant current control circuit is high voltage power grid
Stream, at this time the first LED light module and the second LED light module tandem working；When being detected as, lower voltage in two power grids is electric
When net, voltage detecting circuit sends low voltage signal to linearity constant current control circuit, and linearity constant current control circuit is by changing the
The state of the open and close of the output and control electronic switching circuit of one output end, makes the first LED light module and the 2nd LED
Light emitting module continuously works alternatively, when linearity constant current control circuit control electronic switching circuit closure, linear constant current control
The output electric current of first output end of circuit is zero, normal state current when the output electric current for being second output terminal is high voltage power network
Twice, at this point, only the second LED light module works；When linearity constant current control circuit control electronic switching circuit disconnects, line
Property constant-current control circuit the output electric current of the first output end twice of normal state current when being high voltage power network, and linear constant current control
The output electric current of the second output terminal of circuit processed is zero, so the second LED light module cannot work, only the first LED shines
Module work, thus in the compatible linear constant current LED filament lamp of the twin voltage of the utility model, LED illuminating circuit and linear perseverance
Three conducting wire connections are only needed between stream driving power, compared with the existing technology, are reduced glass bulb gas leakage hidden danger, are improved
Service life also reduces production cost.
Detailed description of the invention
Fig. 1 is the electrical structure block diagram of the compatible linear constant current LED filament lamp of existing twin voltage；
Fig. 2 is the electrical structure block diagram one of the compatible linear constant current LED filament lamp of the twin voltage of the utility model；
Fig. 3 is the electrical structure block diagram two of the compatible linear constant current LED filament lamp of the twin voltage of the utility model；
Fig. 4 is the circuit structure diagram of the compatible linear constant current LED filament lamp of the twin voltage of the utility model.
Specific embodiment
The utility model is described in further detail below in conjunction with figure embodiment.
Embodiment one：As shown in Figures 2 and 3, the compatible linear constant current LED filament lamp of a kind of twin voltage, including glass envelope
Shell, the lamp cap being connect with glass bulb, the linear constant current driving power being arranged in lamp cap and the LED being arranged in glass bulb
Illuminating circuit, LED illuminating circuit include the first LED light module and the second LED light module, the first LED light module and the
Two LED light modules are respectively provided with positive input terminal and negative input end, and linear constant current driving power includes AC to DC converter circuit, electricity
Detection circuit, electronic switching circuit and linearity constant current control circuit are pressed, AC to DC converter circuit has for accessing alternating current zero curve
Zero curve input terminal, firewire input terminal, positive output end and negative output terminal for accessing alternating current firewire, voltage detecting circuit has
Positive input terminal, negative input end and output end, electronic switching circuit have positive input terminal, negative input end and control terminal, linear constant current
Control circuit has positive input terminal, ground terminal, the first control terminal, the second control terminal, the first output end and second output terminal, exchange
Turn the positive output end of DC circuit and the positive input terminal of voltage detecting circuit, the positive input terminal of linearity constant current control circuit, electronics
The positive input terminal of switching circuit and the connection of the positive input terminal of the first LED light module, negative output terminal, the electricity of AC to DC converter circuit
Pressure detection circuit negative input end connect with the ground terminal of linearity constant current control circuit, the output end of voltage detecting circuit and linearly
First control terminal of constant-current control circuit connects, and the voltage signal that will test is transferred to linearity constant current control circuit, linear permanent
Second control terminal of flow control circuit and the control terminal of electronic switching circuit connect, for control electronic switching circuit closure and
Disconnect, the first output end of linearity constant current control circuit, the negative input end of electronic switching circuit, the first LED light module it is negative
Input terminal and the connection of the positive input terminal of the second LED light module, the second output terminal of linearity constant current control circuit and the 2nd LED hair
The negative input end of optical module connects.
Embodiment two：As shown in Figures 2 and 3, the compatible linear constant current LED filament lamp of a kind of twin voltage, including glass envelope
Shell, the lamp cap being connect with glass bulb, the linear constant current driving power being arranged in lamp cap and the LED being arranged in glass bulb
Illuminating circuit, LED illuminating circuit include the first LED light module and the second LED light module, the first LED light module and the
Two LED light modules are respectively provided with positive input terminal and negative input end, and linear constant current driving power includes AC to DC converter circuit, electricity
Detection circuit, electronic switching circuit and linearity constant current control circuit are pressed, AC to DC converter circuit has for accessing alternating current zero curve
Zero curve input terminal, firewire input terminal, positive output end and negative output terminal for accessing alternating current firewire, voltage detecting circuit has
Positive input terminal, negative input end and output end, electronic switching circuit have positive input terminal, negative input end and control terminal, linear constant current
Control circuit has positive input terminal, ground terminal, the first control terminal, the second control terminal, the first output end and second output terminal, exchange
Turn the positive output end of DC circuit and the positive input terminal of voltage detecting circuit, the positive input terminal of linearity constant current control circuit, electronics
The positive input terminal of switching circuit and the connection of the positive input terminal of the first LED light module, negative output terminal, the electricity of AC to DC converter circuit
Pressure detection circuit negative input end connect with the ground terminal of linearity constant current control circuit, the output end of voltage detecting circuit and linearly
First control terminal of constant-current control circuit connects, and the voltage signal that will test is transferred to linearity constant current control circuit, linear permanent
Second control terminal of flow control circuit and the control terminal of electronic switching circuit connect, for control electronic switching circuit closure and
Disconnect, the first output end of linearity constant current control circuit, the negative input end of electronic switching circuit, the first LED light module it is negative
Input terminal and the connection of the positive input terminal of the second LED light module, the second output terminal of linearity constant current control circuit and the 2nd LED hair
The negative input end of optical module connects.
As shown in figure 4, voltage detecting circuit includes first resistor R1 and second resistance R2, first resistor in the present embodiment
One end of R1 is the positive input terminal of voltage detecting circuit, and the other end of first resistor R1 is connected with one end of second resistance R2 and it
Connecting pin is the output end of voltage detecting circuit, and the other end of second resistance R2 is the negative input end of voltage detecting circuit.
As shown in figure 4, linearity constant current control circuit includes that Shenzhen City Sunmoon Microelectronics Co., Ltd is raw in the present embodiment
The first integrated chip U1,3rd resistor R3 and the 4th resistance R4 of the model SM2099 of production, the 1st foot of the first integrated chip U1
For the first control terminal of linearity constant current control circuit, the 3rd foot of the first integrated chip U1, one end of 3rd resistor R3 and the 4th electricity
One end connection of R4 is hindered, the 4th foot connection of the other end of the 4th resistance R4 and the first integrated chip U1,3rd resistor R3's is another
End is connected with the bottom electrode of the first integrated chip U1 and its connecting pin is the ground terminal of linearity constant current control circuit, and first is integrated
The 8th foot of chip U1 is the positive input terminal of linearity constant current control circuit, and the 7th foot of the first integrated chip U1 is linear constant current control
Second control terminal of circuit, the 6th foot of the first integrated chip U1 are the first output end of linearity constant current control circuit, and first is integrated
The 5th foot of chip U1 is the second output terminal of linearity constant current control circuit.
As shown in figure 4, electronic switching circuit includes what Shenzhen City Sunmoon Microelectronics Co., Ltd produced in the present embodiment
The second integrated chip U2 of model SM201 and the 1st foot of first diode D1, the second integrated chip U2 are electronic switching circuit
Positive input terminal, the 2nd foot of the second integrated chip U2 is the control terminal of electronic switching circuit, the 3rd foot of the second integrated chip U2
With the anode connection of first diode D1, the cathode of first diode D1 is the negative input end of electronic switching circuit.
Claims (4)
1. a kind of compatible linear constant current LED filament lamp of twin voltage, including glass bulb, the lamp cap connecting with glass bulb, sets
Set in the lamp cap linear constant current driving power and the LED illuminating circuit that is arranged in the glass bulb, it is described
LED illuminating circuit include the first LED light module and the second LED light module, first LED light module and described
The second LED light module be respectively provided with positive input terminal and negative input end, it is characterised in that the linear constant current driving power
Including AC to DC converter circuit, voltage detecting circuit, electronic switching circuit and linearity constant current control circuit, the exchange turns straight
Current circuit has the zero curve input terminal for accessing alternating current zero curve, firewire input terminal, positive output end for accessing alternating current firewire
And negative output terminal, the voltage detecting circuit have positive input terminal, negative input end and output end, the electronic switching circuit
With positive input terminal, negative input end and control terminal, the linearity constant current control circuit has positive input terminal, ground terminal, first
Control terminal, the second control terminal, the first output end and second output terminal, the positive output end of the AC to DC converter circuit with it is described
The positive input terminal of voltage detecting circuit, the positive input terminal of the linearity constant current control circuit, the electronic switching circuit
Positive input terminal connected with the positive input terminal of first LED light module, the negative output of the AC to DC converter circuit
It holds, the negative input end of the voltage detecting circuit is connected with the ground terminal of the linearity constant current control circuit, the electricity
The output end of pressure detection circuit is connected with the first control terminal of the linearity constant current control circuit, the voltage signal that will test
It is transferred to the linearity constant current control circuit, the second control terminal of the linearity constant current control circuit and the electronic cutting
The control terminal on powered-down road connects, for controlling the open and close of the electronic switching circuit, the linear constant current control
First output end of circuit, the negative input end of the electronic switching circuit, first LED light module negative input end
It is connected with the positive input terminal of second LED light module, the second output terminal of the linearity constant current control circuit and institute
The negative input end for the second LED light module stated connects.
2. a kind of compatible linear constant current LED filament lamp of twin voltage according to claim 1, it is characterised in that the electricity
Pressure detection circuit includes first resistor and second resistance, one end of the first resistor be the voltage detecting circuit just
Input terminal, the other end of the first resistor is connected with one end of the second resistance and its connecting pin is the voltage
The output end of detection circuit, the other end of the second resistance are the negative input end of the voltage detecting circuit.
3. a kind of compatible linear constant current LED filament lamp of twin voltage according to claim 1, it is characterised in that the line
Property constant-current control circuit include model SM2099 the first integrated chip, 3rd resistor and the 4th resistance, described first collection
At chip the 1st foot be the linearity constant current control circuit the first control terminal, the 3rd foot of first integrated chip,
One end of the 3rd resistor is connected with one end of the 4th resistance, the other end of the 4th resistance and described
4th foot of the first integrated chip connects, the bottom electrode of the other end of the 3rd resistor and first integrated chip
Connection and its connecting pin are the ground terminal of the linearity constant current control circuit, and the 8th foot of first integrated chip is institute
The positive input terminal for the linearity constant current control circuit stated, the 7th foot of first integrated chip are that the linear constant current controls
Second control terminal of circuit, the 6th foot of first integrated chip are the first output of the linearity constant current control circuit
End, the 5th foot of first integrated chip are the second output terminal of the linearity constant current control circuit.
4. a kind of compatible linear constant current LED filament lamp of twin voltage according to claim 1, it is characterised in that the electricity
Sub switch circuit includes the second integrated chip and first diode of model SM201, the 1st foot of second integrated chip
For the positive input terminal of the electronic switching circuit, the 2nd foot of second integrated chip is the electronic switching circuit
Control terminal, the anode connection of the 3rd foot of second integrated chip and the first diode, the one or two pole
The cathode of pipe is the negative input end of the electronic switching circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820647231.5U CN208175047U (en) | 2018-05-03 | 2018-05-03 | A kind of linear constant current LED filament lamp that twin voltage is compatible |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820647231.5U CN208175047U (en) | 2018-05-03 | 2018-05-03 | A kind of linear constant current LED filament lamp that twin voltage is compatible |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208175047U true CN208175047U (en) | 2018-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820647231.5U Active CN208175047U (en) | 2018-05-03 | 2018-05-03 | A kind of linear constant current LED filament lamp that twin voltage is compatible |
Country Status (1)
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| CN (1) | CN208175047U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109699105A (en) * | 2019-01-22 | 2019-04-30 | 新和（绍兴）绿色照明有限公司 | A kind of LED filament circuit for lamp of remote-controlled light modulation |
| CN113597051A (en) * | 2019-06-06 | 2021-11-02 | 上海路傲电子科技有限公司 | Chip driving circuit, chip, linear constant current driving circuit and control method |
-
2018
- 2018-05-03 CN CN201820647231.5U patent/CN208175047U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109699105A (en) * | 2019-01-22 | 2019-04-30 | 新和（绍兴）绿色照明有限公司 | A kind of LED filament circuit for lamp of remote-controlled light modulation |
| CN113597051A (en) * | 2019-06-06 | 2021-11-02 | 上海路傲电子科技有限公司 | Chip driving circuit, chip, linear constant current driving circuit and control method |
| CN113597051B (en) * | 2019-06-06 | 2024-02-09 | 上海路傲电子科技有限公司 | Chip driving circuit, chip, linear constant current driving circuit and control method |
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Effective date of registration: 20200630 Address after: 322009 NO.901, Longqi Road, Suxi Town, Yiwu City, Jinhua City, Zhejiang Province Patentee after: Harmony Mingxin (Yiwu) Photoelectric Technology Co.,Ltd. Address before: 312071 Zhejiang province Shaoxing Paojiang Industrial Zone No. 308 North Road in the robe Patentee before: SUNNY WORLD (SHAOXING) GREEN LIGHTING Co.,Ltd. |